patch-2.3.35 linux/arch/sparc64/prom/ranges.c
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- Lines: 193
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.3.34/linux/arch/sparc64/prom/ranges.c
- Orig date:
Tue Aug 31 17:29:13 1999
diff -u --recursive --new-file v2.3.34/linux/arch/sparc64/prom/ranges.c linux/arch/sparc64/prom/ranges.c
@@ -1,192 +0,0 @@
-/* $Id: ranges.c,v 1.12 1999/08/31 06:55:05 davem Exp $
- * ranges.c: Handle ranges in newer proms for obio/sbus.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- */
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <asm/openprom.h>
-#include <asm/oplib.h>
-#include <asm/sbus.h>
-#include <asm/fhc.h>
-#include <asm/system.h>
-#ifdef CONFIG_PCI
-#include <asm/pbm.h>
-#include <asm/ebus.h>
-#endif
-
-struct linux_prom_ranges promlib_obio_ranges[PROMREG_MAX];
-int num_obio_ranges;
-
-/* Adjust register values based upon the ranges parameters. */
-inline void
-prom_adjust_regs(struct linux_prom_registers *regp, int nregs,
- struct linux_prom_ranges *rangep, int nranges)
-{
- int regc, rngc;
-
- for(regc=0; regc < nregs; regc++) {
- for(rngc=0; rngc < nranges; rngc++)
- if(regp[regc].which_io == rangep[rngc].ot_child_space)
- break; /* Fount it */
- if(rngc==nranges) /* oops */
- prom_printf("adjust_regs: Could not find range with matching bus type...\n");
- regp[regc].which_io = rangep[rngc].ot_parent_space;
- regp[regc].phys_addr += rangep[rngc].ot_parent_base;
- }
-}
-
-inline void
-prom_adjust_ranges(struct linux_prom_ranges *ranges1, int nranges1,
- struct linux_prom_ranges *ranges2, int nranges2)
-{
- int rng1c, rng2c;
-
- for(rng1c=0; rng1c < nranges1; rng1c++) {
- for(rng2c=0; rng2c < nranges2; rng2c++)
- if(ranges1[rng1c].ot_child_space ==
- ranges2[rng2c].ot_child_space) break;
- if(rng2c == nranges2) /* oops */
- prom_printf("adjust_ranges: Could not find matching bus type...\n");
- ranges1[rng1c].ot_parent_space = ranges2[rng2c].ot_parent_space;
- ranges1[rng1c].ot_parent_base += ranges2[rng2c].ot_parent_base;
- }
-}
-
-/* Apply probed sbus ranges to registers passed, if no ranges return. */
-void prom_apply_sbus_ranges(struct linux_sbus *sbus, struct linux_prom_registers *regs,
- int nregs, struct linux_sbus_device *sdev)
-{
- if(sbus->num_sbus_ranges) {
- if(sdev && (sdev->ranges_applied == 0)) {
- sdev->ranges_applied = 1;
- prom_adjust_regs(regs, nregs, sbus->sbus_ranges,
- sbus->num_sbus_ranges);
- }
- }
-}
-
-/* Apply probed fhc ranges to registers passed, if no ranges return. */
-void prom_apply_fhc_ranges(struct linux_fhc *fhc,
- struct linux_prom_registers *regs,
- int nregs)
-{
- if(fhc->num_fhc_ranges)
- prom_adjust_regs(regs, nregs, fhc->fhc_ranges,
- fhc->num_fhc_ranges);
-}
-
-/* Apply probed central ranges to registers passed, if no ranges return. */
-void prom_apply_central_ranges(struct linux_central *central,
- struct linux_prom_registers *regs, int nregs)
-{
- if(central->num_central_ranges)
- prom_adjust_regs(regs, nregs, central->central_ranges,
- central->num_central_ranges);
-}
-
-void __init prom_ranges_init(void)
-{
-}
-
-void __init prom_sbus_ranges_init(int iommund, struct linux_sbus *sbus)
-{
- int success;
-
- sbus->num_sbus_ranges = 0;
- success = prom_getproperty(sbus->prom_node, "ranges",
- (char *) sbus->sbus_ranges,
- sizeof (sbus->sbus_ranges));
- if (success != -1)
- sbus->num_sbus_ranges = (success/sizeof(struct linux_prom_ranges));
-}
-
-void __init prom_central_ranges_init(int cnode, struct linux_central *central)
-{
- int success;
-
- central->num_central_ranges = 0;
- success = prom_getproperty(central->prom_node, "ranges",
- (char *) central->central_ranges,
- sizeof (central->central_ranges));
- if (success != -1)
- central->num_central_ranges = (success/sizeof(struct linux_prom_ranges));
-}
-
-void __init prom_fhc_ranges_init(int fnode, struct linux_fhc *fhc)
-{
- int success;
-
- fhc->num_fhc_ranges = 0;
- success = prom_getproperty(fhc->prom_node, "ranges",
- (char *) fhc->fhc_ranges,
- sizeof (fhc->fhc_ranges));
- if (success != -1)
- fhc->num_fhc_ranges = (success/sizeof(struct linux_prom_ranges));
-}
-
-#ifdef CONFIG_PCI
-void __init prom_ebus_ranges_init(struct linux_ebus *ebus)
-{
- int success;
-
- ebus->num_ebus_ranges = 0;
- success = prom_getproperty(ebus->prom_node, "ranges",
- (char *)ebus->ebus_ranges,
- sizeof(ebus->ebus_ranges));
- if (success != -1)
- ebus->num_ebus_ranges = (success/sizeof(struct linux_prom_ebus_ranges));
-}
-
-void __init prom_ebus_intmap_init(struct linux_ebus *ebus)
-{
- int success;
-
- ebus->num_ebus_intmap = 0;
- success = prom_getproperty(ebus->prom_node, "interrupt-map",
- (char *)ebus->ebus_intmap,
- sizeof(ebus->ebus_intmap));
- if (success == -1)
- return;
-
- ebus->num_ebus_intmap = (success/sizeof(struct linux_prom_ebus_intmap));
-
- success = prom_getproperty(ebus->prom_node, "interrupt-map-mask",
- (char *)&ebus->ebus_intmask,
- sizeof(ebus->ebus_intmask));
- if (success == -1) {
- prom_printf("%s: can't get interrupt-map-mask\n", __FUNCTION__);
- prom_halt();
- }
-}
-#endif
-
-void
-prom_apply_generic_ranges (int node, int parent, struct linux_prom_registers *regs, int nregs)
-{
- int success;
- int num_ranges;
- struct linux_prom_ranges ranges[PROMREG_MAX];
-
- success = prom_getproperty(node, "ranges",
- (char *) ranges,
- sizeof (ranges));
- if (success != -1) {
- num_ranges = (success/sizeof(struct linux_prom_ranges));
- if (parent) {
- struct linux_prom_ranges parent_ranges[PROMREG_MAX];
- int num_parent_ranges;
-
- success = prom_getproperty(parent, "ranges",
- (char *) parent_ranges,
- sizeof (parent_ranges));
- if (success != -1) {
- num_parent_ranges = (success/sizeof(struct linux_prom_ranges));
- prom_adjust_ranges (ranges, num_ranges, parent_ranges, num_parent_ranges);
- }
- }
- prom_adjust_regs(regs, nregs, ranges, num_ranges);
- }
-}
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